Electric timer



-R. L. WYSS.

ELECTRIC TIMER.

APPLICATION FILED JULY 2|, 1919.

Patented Aug. 9, 1921.,

9 /Pu s L. My.

UNITED STATES r rsnr FFICE.

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EEGTRIG airmen.

Application filed Iuiy 21,

To all whom may cmwemi. i

Be it known that I, RUSSELL L. WYSS, a, citizen of the United States, residing at Kansas City. in. the county of Jackson'ancl State oi lviiesouri have invented. certain new and useiul Improvements in Electric Timers; and I do declare the following to he a. full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the some, reference being had to the no companying' drawings, and to letters emi figures of reference marked thereon, which form a. port of this specification.

This invention relates to electric timers for ignition systems and it is particularly adapted for use in ignition systems on the resent type of automobiles made by the rd Motor Company of Detroit, Michigan, and one oi? the objects thereof is to provide it simple, curable and efficient electric timer which will operate with the minimum amount of attention and which is so constructed that the operating parts will be protectefi against deterioration on account o. -1lnst grease and other extraneous matter.

The invention contemplates the provision (ii -means or effecting on intimii'te relation ship of the contacts as the movable contact Lilac-3km: over the stationary ones on the dis tri iiteiz means being also provided to compensete for wear between the stationary l e movable cimtact the movable prefernhly & spring-pressed or brush constantly bearing upon the block. the stationary contacts uz flush w the face thereof.

(l evvin s, I Figznrc I is a cloiussociuted view oi? a. dis trihuter hlock unol commutator, and

pix distribute-i i. is o erticoi longitudinal sectional view through a device constructed in ucco with my invention.

oi'errin now to the drawings by nnroerof reference:

I olcsignctes a distributor biook provide-ii with an axiel'recess 2 to receive the emi 3 of a commutator shaft t on'whi'ch is a disk or commutator 5 of insulating material, the disk 5 having a lining or sleeve 6 which fits over the shaft 4 and which may be positioned thereon by a pin 7 and secureri a nut The disk 5 is provided with long-i tudinal recess 9 in which is a spring-pressed plug or brush 10 having movement parallel Specification of Letters Eaten-t.

with the eerie of the shaft e and having face 11 adopted to pass over the end face 12 of the block 1 enoi over the segmental stetlonary contacts 1 EERiJGdELEQl in the block and having binding posts 14; extending therethrough to he engogefi by the ooncluotors 15 from which current is clistrihutcri to the spark plugs of motor.

The rear end of the block 1 is provided with e, projectionqlfi having a circumferential groove 1? to receive one of e casing 18, the other edge of the casing engaging" 2i groove 19 on the block at right angles to'the groove ii. The casing is suhstmitislly seiniand by reference to the drawings it will be apparent that the casing is provilied with an opening" .20 to receive a conduit 2]. through which the conductors may pass to the coil box. The block 1 is provided with a lever arm 22 miepteii to be engaged by a shifting lever whereby the block 1 may be partially rotatecl to advance or retard the spark in a well known manner.

The block 1 carries ring or flange 23, which surrounds the coinnmtiitor clisk 5 and serves as a guard to protect the contacts from dust, (lirtnncl other extraneous matter and also-serves as scentering guide for the commutator dish and block 1.

Vihen the ports are assembled as shown in Fig. H and the shaft 4 is rotated, the commutator their will have rototive movement with respect to the hlocir 1 current suppiiecl to tie brush 16 through any snitnhle source. will pass through the several conductors 15 to the contacts 13 as the brush travels over them. For convenience, the brush 1() may he ground to shaft i through a ring piste 24-, conoectecl to the brush through spring 1.0". the plate bearing; upon. 4. The spring-pressed brush wili eivvays he in contact with the owl 12 of the block i and no the contacts are flush with the face 15 permitting the contacts to slide smoothly past one smother arcing wili he reduced to at minimum, if not wholly eliminoted,

It vriil he apparent that the spark may he advanced or retarded through the operation of the block 1 by means of the arm Q2 and that the operating parts will he officiently protocterl against deterioration on account of clnst, oil, dirt and other extraneous matter.

Petentecl Au 9 loci;

What I claim and desire to secure by Letters-Patent is:

1. In an electric timer for ignition systems, a distributer comprising a block having a recessed central portion, a ring carried by the face of the block and extending outwardly therefrom, a shaft extending into the recessed central portion, a commutator disk on the shaft comprising an insulation block co-extensive with the space sealed by the ring and receivable within the ring, a spring-pressed contact parallel with the axis of the shaft and carried by the commutator disk, distributing contacts onthe block having faces flush with the end thereof and in line with the circular band scribed by the contact carried by the commutator, and means for conductively connecting the commutator contact with the shaft.

2. In an electric timer for ignition systems, a dilstributer comprising a block having an axially located, outwardly extending portion, a housing supported by the major portion of the block and the outwardly extending portion. a ring carried by the f0rward face of the block, a commutator shaft, an insulation commutator disk carried by the shaft, a contact carried by the disk, contacts carried by the block over which the commutator contact may pass, and means for conductively connecting the contact on the disk with the shaft.

3. In an electric timer for ignition systoms, an insulation block having a recess in one face, an outwardly extending portion on the other face in line With the recess, a housing connected to the block and to the projecting portion, a commutator shaft extending into the recess, a ring-shaped member carried by the block, a commutator disk within the ring and carried by the shaft, and cooperating contacts carried by the commutator and the block.

In testimony whereof I afiix my signature.

RUSSELL L. WYSS. 

